Kelsey McCloskey

3. molten rock in the ground
5. a supercontinent formed during the late Paleozoic era that existed until the late Triassic era approximately 280-320 million years ago
7. a dense, fast-moving,solidified lava pieces, volcanic ash, and hot gases
8. the deepest and hottest layer of our planet
10. the movement of continents resulting from the motion of tectonic plates
14. molten rock ejected by volcanoes in the form of a liquid
15. ancient super continent that incorporated present-day south America, Africa, Arabia, Madagascar,India, Australia, and antarctica
16. liquid layer of Earth's core, located between the inner core and the mantle
17. heat driven cycles that occur in the air, ocean, and mantle
18. originator of continental drift hypothesis
20. the outermost shell of a terrestrial

1. a seafloor mountain system formed by plate tectonics
2. an opening in the Earth's crust through which lava, volcanic ash, and gases escape
4. major fracture of the Earth's crust in extreme western north america
6. a large continuous mass of land conventionally regarded as a collective region
9. not active or growing but has the ability to be active at a later time
11. features on the Earth's surface that make up the terrain
12. the breaking down or dissolving of rocks and minerals on the surface of the earth
13. a hot or cold mixture of water and rock fragments that flow quickly down the slopes of a volcano
19. happens when two blocks of the earth suddenly slip past one another